Inhale hits with clear pine and citrus. Exhale leaves a cool mint note and a relaxed body feel.

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Polar Express Feminized Seeds

Q: What light schedule works best?

Use 18/6 in veg and switch to 12/12 for flower. Maintain stable dark periods during flower.

Q: How strong are nutrient feeds?

Start at 50 percent strength in early veg. Raise to 75 to 85 percent during peak flower.

Q: When should I top and train?

Top after 3 to 4 node sets. Add LST or SCROG to level the canopy by week 2 to 3 of veg.

Q: What humidity should I run in flower?

Keep relative humidity between 40 and 50 percent in flower. Lower RH in final two weeks to tighten buds.

Q: What pests to watch for?

Watch spider mites and powdery mildew. Maintain airflow and inspect lower leaves weekly.

Q: How long to dry and cure?

Dry at 18 to 21 degrees Celsius and 45 to 55 percent RH for 7 to 10 days. Cure in jars at 55 percent RH for at least 2 weeks.

Q: When is harvest time?

Harvest when most trichomes turn cloudy with some amber and pistils have darkened and curled in.

Q: What bud structure should I expect?

Dense, resin-rich buds with compact internodes typical of indica-dominant plants.

Q: How should I store cured flower?

Store in dark glass at 16 to 20 degrees Celsius with 55 percent RH. Keep away from direct light and heat.

Polar Express Feminized Seeds by Captain Seeds - Polar Express mixes pine and citrus with a cool mint exhale. It delivers uplifted focus and a relaxed body.

Cooling mint exhale
8-9 week flower
Dense resinous buds

Polar Express is an indica-dominant hybrid bred from Northern Lights x Trainwreck. It flowers in 8 to 9 weeks and yields medium-high indoors. The aroma pairs pine and citrus with a minty cooling note on the exhale. Growers use topping, LST, and SCROG to maximize canopy uniformity and resin production. Maintain steady feed, good airflow, and lower humidity late in flower for clean, dense buds.

Polar Express Feminized Seeds Quick Facts

All the essential strain details at a glance for growers and users.

Property	Value	Description
Type	Indica-dominant hybrid	Polar Express is an indica-dominant hybrid.
THC Content	20-24%	THC ranges 20 to 24 percent for solid flower and extract potency.
CBD Content	0.1-0.5%	CBD stays low, near 0.1 to 0.5 percent.
Grow Difficulty	Intermediate	This strain suits intermediate growers. It handles training and rewards steady feed and pest control.
Flowering Time	8-9	Flowering runs 8 to 9 weeks indoors.
Yield	Medium-high (400-550 g/m2 indoor)	Expect 400 to 550 grams per square meter indoors and 50 to 200 grams per plant outdoors depending on conditions.
Height	Medium (80-140 cm)	Plants reach 80 to 140 centimeters at maturity.
Environment	Indoor and outdoor	Grow indoors under controlled light or outdoors in cool to temperate zones with a dry late season.
Effects	Uplifted, Focused, Relaxed	Users report uplifted mood, clearer focus, and a relaxed body effect.
Flavor Profile	Pine, Citrus, Mint	The profile blends sharp pine and bright citrus with a cool mint finish.
Genetics	Northern Lights x Trainwreck	Genetics trace to Northern Lights x Trainwreck.
Climate	Cool to temperate	Best suited to cool to temperate climates with good airflow and dry finish.

Frequently Asked Questions

Answers to Common Questions About Growing Polar Express Cannabis Seeds

What light schedule works best?

How strong are nutrient feeds?

When should I top and train?

What humidity should I run in flower?

What pests to watch for?

How long to dry and cure?

When is harvest time?

What bud structure should I expect?

How does it smoke?

How should I store cured flower?

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